Alert archive / Florida / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 2, NWS Tampa Bay, FL

January 9, 1997Sarasota County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jan 9, 1997, 3:35 PM EST for Sarasota County, Florida. It was in force for 40 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jan 9, 1997, 3:35 PM EST (20:35 UTC)
Expired
Jan 9, 1997, 4:15 PM EST
In force
40 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Sarasota County, FL

What was reported inside it

TimeReportWhereRemark
Jan 9, 4:12 PM ESTTornado F0Sarasota, FLA brief short-lived tornado touched down in Sarasota and quickly receded without producing damage.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 8.6 hours before the alert went out and 58 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Tampa Bay, FL at 12:00Z on 1997-01-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 26 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 12:00Z on 1997-01-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 213 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
26 J/kg
Mixed-layer CIN
-185 J/kg
Mixed-layer LCL
879 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
213 m²/s²
0-3 km storm-relative helicity
222 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTBW 092036 RRA
SVRTBW
FLC115-092115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
335 PM EST THU JAN 9 1997
 
THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA RUSKIN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  415 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL FLORIDA
 
   ...SARASOTA COUNTY
 
AND THE ADJACENT COASTAL WATERS ALONG THE FLORIDA WEST COAST
 
 
AT 330 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
BAND OF SEVERE THUNDERSTORMS APPROACHING SIESTA AND CASEY KEYS.
THE STORMS WILL MOVE BE MOVING INTO THE SARASOTA METRO AREA BY
345 PM.  MOVEMENT WAS NORTHEAST AT 45 MPH.
 
BY DEFINITION...SEVERE THUNDERSTORMS HAVE WINDS OF 58 MPH OR GREATER
AND/OR DIME SIZE HAIL OR LARGER. MOBILE HOMES ARE NOT SAFE! IF THIS
STORM APPROACHES YOUR AREA...GO TO A REINFORCED BUILDING AND STAY
THERE UNTIL THE STORM PASSES.
 
REMEMBER...SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES OR WATERSPOUTS
WITH LITTLE OR NO ADVANCE WARNING.
 
ZALESKI

The office that day

Everything else NWS Tampa Bay, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 9, 1:33 PM ESTSevere Thunderstorm WarningTBWHillsborough, Pasco42 min
Jan 9, 4:16 PM ESTTornado WarningTBWSarasota44 min
Jan 9, 4:19 PM ESTSevere Thunderstorm WarningTBWManatee41 min

Nearby

Severe Thunderstorm Warnings in Florida, 1997Every severe thunderstorm warning in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.